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Sometimes all that is left is a skeleton casting with weld metal. 有时所有这些问题都遗留在铸件焊接金属框架里。
A beam of light produced by a laser can weld metals. 激光器发生的光束可以焊接金属。
The deposited ferritic weld metal shall not contact the austenitic or high-chromium steel cladding. 熔敷的铁素体焊缝金属不应与奥氏体或高铬钢复层接触。
Addition of activating agent has no obvious effect on fracture toughness of weld metal. 添加活性剂对焊缝金属的断裂韧性没有明显作用。
Nb is the element that must be insist in 2.25Cr-1Mo-0.25V steel submerged arc welding weld metal which is demanded in ASME CODE CASE. Nb是ASME标准要求的2.;25Cr1Mo0
The weld metal is fine and close in structure resulting in goodlooking appearace. 焊缝细密美观；适合全位置焊接；
Fracture toughness of heat affected zone (HAZ) was between the base metal and weld metal. 焊接热影响区的断裂韧性介于母材和焊缝金属之间。
D.McKeown, “Hydrogen and its Control in Weld Metal,” Metal Contruction, Vol. 17, No. 10, pp. 655-661, 1985. 张清辉，吴实平，洪波，焊接材料研制理论与技术，冶金工业出版社，第56-58页，民国91年。
The microstructure of weld metal for MAW is blocky ferrite and a little pearlite, the microstructure in the heat-affected zone is new type bainite. 手工焊焊后不热处理焊缝组织主要为块状铁素体和少量珠光体，热影响区组织为新型贝氏体组织；
Either coarse or column austenite grain can decrease the toughness of welding metal,and the ways to improve the toughness of wel... 奥氏体晶粒粗大及奥氏体柱状晶都能够降低焊缝的韧性,并提出了改善焊缝韧性的途径。
The microstructure and wear resistance of the overlaying welding metal of two new types of hardfacing flux-cored wire HDY704 and HDY502 were studied. 对研制的两种硬面药芯焊丝HDY704、HDY502焊态和焊后热处理堆焊层金属的显微组织及耐磨性能进行了研究,探讨了堆焊层金属的磨损机理。
The results showed that non-metal inclusions in weld metal are round in shape and droplet are chemical reaction products in droplet stage. 结果表明焊缝和熔滴中的非金属夹杂物呈圆球形,它们是熔滴反应区化学反应的产物,属“内生”性质;
The results of Charpy-V tests have displayed that the weld metal obtains the best toughness at a content of 0.006 wt.% of Zr. 夏比冲击韧性试验显示，锆含量在0.;006%25时焊缝金属韧性最好。
Addition of activating agent had no obvious effect on fracture toughness of weld metal, but it improved the length of ductile crack propagation. 添加活性剂对焊缝金属的断裂韧性没有明显作用，但对延性裂纹扩展长度有所改善。
When the oxygen content increases, the weld bead penetration and $ D/W increases sharply while the weld metal width decreases. 随着氧含量的增加, 深宽比和熔深急剧增加, 熔宽减小。
Welding on large oblique nozzle to shell joint is one of the most difficult points for manufacturing a large gasifier due to special joint shape and high volume of weld metal. 摘要气化炉大型插入式斜接管与筒体的焊接由于接头形状特殊，熔敷金属量大，是气化炉制造的难点之一。
However, as the chemistry, diffusible hydrogen level of the weld metal, restraint or section thickness increases, the demand for preheat also increases. 然而，由于化学，扩散氢水平的焊缝，克制，或切片厚度的增加，需求的预热也随之增强。
The art of carving wood, chiseling stone, casting or welding metal, molding clay or wax, etc. into three-dime ional representatio , as statues, figures, forms, etc. 通过对木头、石头进行雕刻，对金属加以铸造、焊接，或对泥、蜡加工制成的三维雕塑作品。
Microstructure of weld metal is characterized coarsened austenic granular crystal,and the fusion of interface is fine, crystal of overheated zone do not grows up severely. 焊缝为奥氏体组织,呈较为粗大的柱状晶形态,且与母材熔合良好;过热区的晶粒长大不严重。
The art of carving wood, chiseling stone, casting or welding metal, molding clay or wax, etc. Into three-dimensional representations, as statues, figures, forms, etc. 通过对木头、石头进行雕刻,对金属加以铸造、焊接,或对泥、蜡加工制成的三维雕塑作品。